Pulse oximetry for hypoxemia: a warning to users and manufacturers
- 1 December 1989
- journal article
- research article
- Published by Springer Nature in Intensive Care Medicine
- Vol. 15 (8) , 540-542
- https://doi.org/10.1007/bf00273571
Abstract
Pulse oximetry represents a major advance in patient monitoring, but measurement below 70 to 80% saturation has important limitations. Several authors have tested pulse oximetry at low saturations with conflicting results. A review of these data indicates that every patient with a pulse oximeter value below 75 to 80% SaO2 should have one or more invasive measurements of the arterial SaO2 in order to avoid undetected severe hypoxemia.Keywords
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